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68

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This article is under construction.            

Please do not rely on any information it contains.            


68 is an integer.

Membership in core sequences

Even numbers ..., 62, 64, 66, 68, 70, 72, 74, ... A005843
Composite numbers ..., 64, 65, 66, 68, 69, 70, 72, ... A002808
Deficient numbers ..., 64, 65, 67, 68, 69, 71, 73, ... A005100
Numbers that are the sum of two squares ..., 61, 64, 65, 68, 72, 73, 74, ... A001481

Sequences pertaining to 68

Multiples of 68 0, 68, 136, 204, 272, 340, 408, 476, 544, 612, 680, 748, 816, ...
Divisors of 68 1, 2, 4, 17, 34, 68 A018269

Partitions of 68

There are 3087735 partitions of 68.

The Goldbach representations of 68 are: [FINISH WRITING]

Roots and powers of 68

In the table below, irrational numbers are given truncated to eight decimal places.

TABLE GOES HERE

Values for number theoretic functions with 68 as an argument

TABLE GOES HERE

Factorization of 68 in some quadratic integer rings

In , 68 has the prime factorization of 2 2 × 17. But it has different factorizations in some quadratic integer rings.

TABLE GOES HERE

Representation of 68 in various bases

Base 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Representation 1000100 2112 1010 233 152 125 104 75 68 62 58 53 4C 48 44 40 3E 3B 38

References


See also

Some integers
0 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
1729